Unit 1 Art Discovering useful structures不定式作表语（ppt课件） -2024新人教版（2019）《高中英语》选择性必修第三册.pptx

1、 Discovering useful structures Infinitives as the predicative（不定式做表语）DACGBFHIE翻译 3、5、6句用横线标出每句话的主语总结归纳不定式作表语第一组：1、2、4、5、6、7、8句共同点：_做主语，通常用不定式作表语，用来_.抽象名词说明主语的内容总结归纳不定式作表语第二组：1.What the survivors attempted to do was(to)build a memorial to the heroes who saved their lives.2.What I want to do now is(to

2、)have a rest.由_做主语，通常用不定式作表语what 引导的主语从句翻译句子1.他想要的（事情）是解决问题。2.重要的（事情）是集中精力于你最喜欢的事情上。（matter；concentrate on)What he wants is to solve the ploblem.What matters is to concentrate on your favorite things.总结归纳不定式作表语第三组：1.All he wanted after a tiring day was to be left alone.2.The least I can expect is to

3、 have this day all to myself.主语包含_，且先行词为_，通常用不定式作表语定语从句all,the least most1.What they attempted to do was no longer(to)show reality.2.What you should do next is(to)help him with his English.3.The only thing he can do now is(to)give up the plan.4.All you need to do is(to)read your book carefully.前有do,

4、后省to1.What they attempted to do was no longer(to)show reality.2.What you should do next is(to)help him with his English.3.The only thing he can do now is(to)give up the plan.4.All you need to do is(to)read your book carefully.前有do,后省to动词不定式动词不定式(短语短语)作表语时，一般情况下不定式作表语时，一般情况下不定式toto不能省略，不能省略，a a但但当前面的

5、当前面的主语中有主语中有dodo的某种形式时，作表语的不定式可以省略的某种形式时，作表语的不定式可以省略toto。总结归纳不定式作表语第四组：1.To see is to believe.2.To be kind to the enemy is to be cruel to the people.ing 作表语 VS to do 作表语His job is to paint the walls within two hours.His job is painting walls.目前的工作日常的工作Our work is (serve)the people.My job today is _(

6、clean)the classroom.servingto clean1.Another way of setting realistic goals is _ (analyze)your short and long term objectives.2.In 1963,the UN set up the World Food Programme,one of whose purposes is _(relieve)worldwide starvation.3.All we have to do is _(push)the button.4.His ambition is _ (become)

7、a famous novelist.5.To hear is _(obey).to analyzeto relieve(to)pushto becometo obey1.Whats your biggest dream/ambition in life?2.How are you going to make your dream come true?3.How are you going to achieve your goal?4.Do you have any plans?5.What might be difficult for you?6.How are you going to deal with.?Discuss with your group members and share your dream or ambition with us.